ppmvspremWhat's the difference?

Which to use

“ppm” and “prem” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#38,483
“ppm” frequency rank
#44,108
“prem” frequency rank
82591
confusion score

Side-by-Side Comparison

Feature ppm prem
Definition Partie par million. Confusion, fatras, fouillis, enchevêtrement, mêlée.

Where the eye mixes ppm and prem

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
ppm
4 ch
prem

Why the eye confuses ppm with prem

A purely visual mix-up. ppm (\pe.pe.ɛm\) and prem (\prɛm\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 82591, derived from the frequency rank of both members and their visual similarity.

ppm is recorded at frequency rank #38,483, classified as anoun, pronounced \pe.pe.ɛm\. prem is at rank #44,108, tagged as anoun, pronounced \prɛm\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 82591, this pair ranks #16,422 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of ppm vs prem

Shared letters: mp. Private to "ppm": -. Private to "prem": er.

"ppm" · 3 letters · shape CCC  ·  "prem" · 4 letters · shape CCVC

Known mistypes of this pair

  • prempprem · premm · prme · prrem · rpem

Frequently Asked Questions

Can "ppm" and "prem" be used interchangeably?
No. They are said differently (\pe.pe.ɛm\ versus \prɛm\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ppm" vs "prem" - which ranks higher?
"ppm" is the more common of the two: it sits at frequency rank #38,483 in our French list, against #44,108 for "prem". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ppm" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prem" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #16,422 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ppm" and "prem" also get mixed up with nearby pairs, the highest-scored neighbour is "prem vs prep". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #16,422 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list